<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0, user-scalable=no, target-densitydpi=medium-dpi" />
		<title>Atmosphere Play Chat</title>
        <!-- Atmosphere -->
        <script type="text/javascript" src="http://code.jquery.com/jquery-1.9.0.js"></script>
        <!-- Application -->
        <script type="text/javascript" src="https://rawgithub.com/Atmosphere/atmosphere-javascript/master/modules/jquery/src/main/webapp/jquery/jquery.atmosphere.js"></script>
		<script type="text/javascript">
            $(function () {
                "use strict";

                var header = $('#header');
                var content = $('#content');
                var input = $('#input');
                var status = $('#status');
                var myName = false;
                var author = null;
                var logged = false;
                var socket = $.atmosphere;
                var subSocket;
                var transport = 'websocket';

                // We are now ready to cut the request
                var request = { url: document.location.toString() + 'chat',
                    contentType : "application/json",
                    logLevel : 'debug',
                    transport : transport ,
                    fallbackTransport: 'sse'};


                request.onOpen = function(response) {
                    content.html($('<p>', { text: 'Atmosphere connected using ' + response.transport }));
                    input.removeAttr('disabled').focus();
                    status.text('Choose name:');
                    transport = response.transport;
                };

                <!-- For demonstration of how you can customize the fallbackTransport using the onTransportFailure function -->
                request.onTransportFailure = function(errorMsg, request) {
                    jQuery.atmosphere.info(errorMsg);
                    if (window.EventSource) {
                        request.fallbackTransport = "sse";
                    }
                    header.html($('<h3>', { text: 'Atmosphere Chat. Default transport is WebSocket, fallback is ' + request.fallbackTransport }));
                };

                request.onMessage = function (response) {

                    var message = response.responseBody;
                    try {
                        var json = jQuery.parseJSON(message);
                    } catch (e) {
                        console.log('This doesn\'t look like a valid JSON: ', message.data);
                        return;
                    }

                    input.removeAttr('disabled').focus();
                    if (!logged && myName) {
                        logged = true;
                        status.text(myName + ': ').css('color', 'blue');
                    } else {
                        var me = json.author == author;
                        var date = typeof(json.time) == 'string' ? parseInt(json.time) : json.time;
                        addMessage(json.author, json.text, me ? 'blue' : 'black', new Date(date));
                    }
                };

                request.onClose = function(response) {
                    subSocket.push(jQuery.stringifyJSON({ author: author, message: 'disconnecting' }));
                    logged = false;
                };

                request.onError = function(response) {
                    content.html($('<p>', { text: 'Sorry, but there\'s some problem with your '
                        + 'socket or the server is down' }));
                };

                subSocket = socket.subscribe(request);

                input.keydown(function(e) {
                    if (e.keyCode === 13) {
                        var msg = $(this).val();

                        // First message is always the author's name
                        if (author == null) {
                            author = msg;
                        }

                        subSocket.push(jQuery.stringifyJSON({ author: author, message: msg }));
                        $(this).val('');

                        input.attr('disabled', 'disabled');
                        if (myName === false) {
                            myName = msg;
                        }
                    }
                });

                function addMessage(author, message, color, datetime) {
                    content.append('<p><span style="color:' + color + '">' + author + '</span> &#64; ' +
                        + (datetime.getHours() < 10 ? '0' + datetime.getHours() : datetime.getHours()) + ':'
                        + (datetime.getMinutes() < 10 ? '0' + datetime.getMinutes() : datetime.getMinutes())
                        + ': ' + message + '</p>');
                }
		});
		</script>
   <style>
        * {
            font-family: tahoma;
            font-size: 12px;
            padding: 0px;
            margin: 0px;
        }

        p {
            line-height: 18px;
        }

        div {
            width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        #content {
            padding: 5px;
            background: #ddd;
            border-radius: 5px;
            border: 1px solid #CCC;
            margin-top: 10px;
        }

        #header {
            padding: 5px;
            background: #f5deb3;
            border-radius: 5px;
            border: 1px solid #CCC;
            margin-top: 10px;
        }

        #input {
            border-radius: 2px;
            border: 1px solid #ccc;
            margin-top: 10px;
            padding: 5px;
            width: 400px;
        }

        #status {
            width: 88px;
            display: block;
            float: left;
            margin-top: 15px;
        }
    </style>
</head>
<body>
<div id="header"><h3>Atmosphere Chat. Default transport is WebSocket, fallback is long-polling</h3></div>
<div id="content"></div>
<div>
    <span id="status">Connecting...</span>
    <input type="text" id="input" disabled="disabled"/>
</div>

</body>
</html>